read-csv.md
In readr: Read Rectangular Text Data

read_delim errors on length 0 delimiter (557)

Code
  read_delim(I("a b\n1 2\n"), delim = "")
Condition
  Error:
  ! `delim` must be at least one character, use `read_table()` for whitespace delimited input.

literal data without I() emits deprecation warning (#1611)

Code
  x <- read_csv("x,y\n1,2", show_col_types = FALSE)
Condition <lifecycle_warning_deprecated>
  Warning:
  The `file` argument of `read_csv()` should use `I()` for literal data as of readr 2.2.0.

    # Bad (for example):
    read_csv("x,y\n1,2")

    # Good:
    read_csv(I("x,y\n1,2"))

Code
  x <- read_csv2("x;y\n1;2", show_col_types = FALSE)
Message <cliMessage>
  i Using "','" as decimal and "'.'" as grouping mark. Use `read_delim()` for more control.
Condition <lifecycle_warning_deprecated>
  Warning:
  The `file` argument of `read_csv2()` should use `I()` for literal data as of readr 2.2.0.

    # Bad (for example):
    read_csv("x,y\n1,2")

    # Good:
    read_csv(I("x,y\n1,2"))

Code
  x <- read_tsv("x\ty\n1\t2", show_col_types = FALSE)
Condition <lifecycle_warning_deprecated>
  Warning:
  The `file` argument of `read_tsv()` should use `I()` for literal data as of readr 2.2.0.

    # Bad (for example):
    read_csv("x,y\n1,2")

    # Good:
    read_csv(I("x,y\n1,2"))

Code
  x <- read_delim("x|y\n1|2", delim = "|", show_col_types = FALSE)
Condition <lifecycle_warning_deprecated>
  Warning:
  The `file` argument of `read_delim()` should use `I()` for literal data as of readr 2.2.0.

    # Bad (for example):
    read_csv("x,y\n1,2")

    # Good:
    read_csv(I("x,y\n1,2"))